<template>
	<view class="container" v-if="user.id > 0">
		<view class="user">
			<view class="avatar">
				<u-avatar :src="user.avatar|thumbAvatar" size="large"></u-avatar>
			</view>
			<view class="name">{{ user.name }}</view>
		</view>
		<u-sticky :enable="enableSticky" h5-nav-height="0">
			<view class="tab-title">
				<u-tabs :list="tabs" :is-scroll="false" :current="currentTab" @change="changeTab"></u-tabs>
			</view>
		</u-sticky>
		<view class="tab-content">
			<view class="tab-item" v-if="currentTab == 0">
				<view class="profile">
					<view class="about">{{ user.about }}</view>
				</view>
			</view>
			<view class="tab-item" v-if="currentTab == 1">
				<view class="course-list" v-if="courses.length > 0">
					<user-course-list :items="courses"></user-course-list>
				</view>
				<view class="load-more" @click="gotoCourseList(user.id)" v-if="courses.length > 10">
					<u-divider half-width="50">加载更多</u-divider>
				</view>
			</view>
			<view class="tab-item" v-if="currentTab == 2">
				<view class="friend-list" v-if="friends.length > 0">
					<user-friend-list :items="friends"></user-friend-list>
				</view>
				<view class="load-more" @click="gotoFriendList(user.id)" v-if="friends.length > 10">
					<u-divider half-width="50">加载更多</u-divider>
				</view>
			</view>
			<view class="tab-item" v-if="currentTab == 3">
				<view class="group-list" v-if="groups.length > 0">
					<user-group-list :items="groups"></user-group-list>
				</view>
				<view class="load-more" @click="gotoGroupList(user.id)" v-if="groups.length > 10">
					<u-divider half-width="50">加载更多</u-divider>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
import UserCourseList from '@/components/user-course-list.vue'
import UserFriendList from '@/components/user-friend-list.vue'
import UserGroupList from '@/components/user-group-list.vue'
import User from '@/api/user.js'

export default {
  components: {
    UserCourseList,
    UserFriendList,
    UserGroupList
  },
  data() {
    return {
      enableSticky: false,
      currentTab: 0,
      tabs: [{
        name: '介绍'
      }, {
        name: '课程'
      }, {
        name: '好友'
      }, {
        name: '群组'
      }],
      courses: [],
      friends: [],
      groups: [],
      user: {}
    }
  },
  onShow() {
    this.enableSticky = true
  },
  onHide() {
    this.enableSticky = false
  },
  onLoad(e) {
    this.loadUserInfo(e.id)
    this.loadUserCourses(e.id)
    this.loadUserFriends(e.id)
    this.loadUserGroups(e.id)
  },
  methods: {
    changeTab(index) {
      if (this.currentTab !== index) {
        this.currentTab = index
      }
    },
    gotoCourseList(id) {
      this.$utils.redirect('/pages/user/courses', {
        id: id
      })
    },
    gotoFriendList(id) {
      this.$utils.redirect('/pages/user/friends', {
        id: id
      })
    },
    gotoGroupList(id) {
      this.$utils.redirect('/pages/user/groups', {
        id: id
      })
    },
    loadUserInfo(id) {
      User.getInfo(id).then(res => {
        this.user = res.user
      }).catch(e => {
        this.$u.toast('加载用户失败')
      })
    },
    loadUserCourses(id) {
      User.getCourses(id).then(res => {
        this.courses = res.pager.items
      }).catch(e => {
        this.$u.toast('加载课程失败')
      })
    },
    loadUserFriends(id) {
      User.getFriends(id).then(res => {
        this.friends = res.pager.items
      }).catch(e => {
        this.$u.toast('加载好友失败')
      })
    },
    loadUserGroups(id) {
      User.getGroups(id).then(res => {
        this.groups = res.pager.items
      }).catch(e => {
        this.$u.toast('加载群组失败')
      })
    }
  }
}
</script>

<style>
.user {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 15rpx;
  margin-bottom: 15rpx;
}

.user .avatar {
  margin-bottom: 15rpx;
}

.user .name {
  margin-bottom: 15rpx;
}

.tab-title {
  margin-bottom: 15rpx;
}

.course-list {
  margin-bottom: 30rpx;
}

.friend-list {
  padding-top: 15rpx;
}

.group-list {
  padding-top: 15rpx;
}

.load-more {
  text-align: center;
  margin-bottom: 30rpx;
}
</style>
